Possible Clues:

• Skeletal cadet a mite upset wanting one bit of tuck
• Squad almost came back wasted
• Lady turns, passing round agents note of very little substance
• Abnormally thin
• Too thin
• Set free with loss of name and power, simply wasted away
• Like a cadaver returned, one consumed by dead
• 'I came back with a boy, skin and bone (9)'
• I returned, perhaps, before awkward date, having lost a lot of weight
• That's how I came back with a very thin boy